Media: synthetic fiber with gradual density,
Washable: about 2-3 times
En779 class: g2
Average arrestance:75%（ashrae52.1-1992）
Eurovent4/5 class: eu2
Din53438 non-flammability standard: f1
Final resistance: (suggested) 100pa-(max)200pa
Max. Dust holding capacity: 430g/㎡
Temperature resistance: 100℃
Initial pressure drop:18pa
Rated air velocity(m/s):1.0
Rated air flow(m2/h):3600
Type: pads or rolls size
Length:20m, height:1/2, thickness:10+(-)2
